Craft knife for cutting circles

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Description

FIG. 1 is a perspective view of a craft knife for cutting circles;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a craft knife for cutting circles, as shown and described.

Referenced Cited
U.S. Patent Documents
D298409 November 8, 1988 Sugiyama
6094824 August 1, 2000 Takeshita
D445660 July 31, 2001 Okada
7073263 July 11, 2006 Kawasaki
D536231 February 6, 2007 Kawasaki
D544321 June 12, 2007 Wyss
7290340 November 6, 2007 Lin
7434319 October 14, 2008 Tsai-Lian
7444749 November 4, 2008 Chen
20070022615 February 1, 2007 Tsai-Lian
20080040932 February 21, 2008 Gullicks et al.
20080244911 October 9, 2008 Chang
Other references
  • Olfa 45mm Quick Blade Rotary Cutter. Downloaded Feb. 26, 2010 at http://www.pelennapatchworks.co.uk/olfa-45mm-quick-blade-rotary-cutter-1534-p.asp.
Patent History
Patent number: D633771
Type: Grant
Filed: Apr 17, 2009
Date of Patent: Mar 8, 2011
Inventor: Pi-Chao Chang (Taichung County)
Primary Examiner: Philip S Hyder
Assistant Examiner: Roselynne Cody
Application Number: 29/311,542
Classifications
Current U.S. Class: D8/98